(CNN) - Vowing to "restructure the government," Congressman Thad McCotter formally announced his candidacy for president at a festival in his home state of Michigan Saturday.

The conservative, guitar-playing five-term congressman is the tenth Republican and third member of the U.S. House of Representatives to enter the race. He is considered a long-shot candidate by party insiders.

Iowa City, Iowa (CNN) – Mere days after two top staffers resigned from Herman Cain's presidential campaign, two others have also called it quits.

Tina Goff, the Iowa organizational director, confirms to CNN that she left the campaign on Friday. Goff also said that another Iowa staffer - Straw Poll coordinator Kevin Hart - resigned that day. The Cain campaign confirmed both developments.FULL POST

(CNN) - In a move largely seen as a compromise over the rights that can be afforded to gay and lesbian couples, Rhode Island Gov. Lincoln Chafee on Saturday signed into law a bill that legalizes civil unions, making his state the fifth in the nation to allow them.

The bill - which was signed just over a week after New York legalized same-sex marriage - will take effect later Saturday, according to the governor's spokesman Christian Vareika.